I know that this might seem a strange one, but today I was called away from a long running post due to a family emergency which meant that person that I was aiding (or perhaps hindering) might have felt that I was no longer interested in the post. I was wondering if a feature could be implemented that could let members know that when engaged in a long post with someone they can set a "be back soon, gotta issue to deal with" message so people do not feel that they have been let down.